genuinely a cluster, but some have developed their own names for it.
colony
A system
A flotilla.
It was in the 60's they are called sea monkeys,sea dragons,ect..
It's called a serpent or Atlantis or island or mermaid
A school of fish.
A group of lions is called a pride.
It's called a serpent or Atlantis or island or mermaid
If you mean "group", it is a covey.
A band.
i believe thear are related to sea horse. they are leafy for protection to hide their natural look from preditors.they are called leafy sea dragons because of their leafy structur and stem like body. they drift along curents and eat small organisms.
A group of horses can either be called a band or a herd.